package aop;

import org.apache.log4j.Logger;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Before;

import java.util.Arrays;


/**
 * 提取的公共日志代码
 */
public class UserServiceLogger {
    private static final Logger logger =  Logger.getLogger(UserServiceLogger.class);
    /**
     * 前置增强代码
     */
    @Before("execution(* service.UserService.*(..))")
    public void before(JoinPoint jp){
        logger.info("调用"+jp.getTarget()+"的"+jp.getSignature().getName()
                +"方法。方法入参："+ Arrays.toString(jp.getArgs()));
    }
    /**
     * 后置增强代码
     */
    @AfterReturning(pointcut = "execution(* service.UserService.*(..))",
            returning = "result")
    public void afterReturning(JoinPoint jp,Object result){
        logger.info("调用"+jp.getTarget()+"的"+jp.getSignature().getName()
                +"方法。方法入参："+ result);
    }
}
